Ch 18: Discover Health Occupations Readiness Test: Human Anatomy

About This Chapter

Use this chapter to review components of the human anatomy. As you prepare for the Discover Health Occupations Readiness Test, a thorough comprehension of the human body will help you answer any pertinent questions.

Discover Health Occupations Readiness Test: Human Anatomy - Chapter Summary

This chapter addresses the major systems in the human body as well as aspects of birth and death to prepare you for the Discover Health Occupations Readiness Test. The following will be explained in these lessons:

  • Functions and parts of the organ and human circulatory systems
  • The digestive system, including the upper and lower gastrointestinal tracts
  • Actions of the nervous and respiratory systems
  • The immune system and its importance in the human body
  • Demographic and population changes from births, aging, and deaths
  • Birth and fertility rate factors

These lessons are presented in the form of brief videos, but are also available as full transcripts, enabling you to consult the information at your own pace. In addition, the transcripts highlight key terminology that will prove beneficial in your studies. After you review each lesson, be sure to take the multiple-choice self-assessment to determine how well you understand that lesson's content.

10 Lessons in Chapter 18: Discover Health Occupations Readiness Test: Human Anatomy
Test your knowledge with a 30-question chapter practice test
What Is an Organ System? - Definition & Pictures

1. What Is an Organ System? - Definition & Pictures

In this lesson, you will learn what an organ system is, and you will review each organ system in the human body. This will aid in your study of human anatomy and physiology. At the end of the lesson, a quiz will test your knowledge.

The Human Circulatory System: Parts and Functions

2. The Human Circulatory System: Parts and Functions

In this lesson, you will take a ride on the transportation system of the body called the circulatory system and its two parts: the pulmonary circuit and the systemic circuit. Take a look inside and see how every inch of your body receives the oxygen and nutrients it needs.

Digestive System I: The Upper Gastrointestinal Tract

3. Digestive System I: The Upper Gastrointestinal Tract

Did you know that there are digestive enzymes in your saliva? It's true. As soon as you put a piece of food in your mouth, the digestive process begins. Join us with this first of two lessons about the human digestive system, where we'll follow food through the upper gastrointestinal tract from the mouth through the stomach.

Digestive System II: The Lower Gastrointestinal Tract

4. Digestive System II: The Lower Gastrointestinal Tract

The lower gastrointestinal tract is the part of the digestive system that is responsible for the last part of food digestion and the expulsion of waste from the body. In this lesson, we'll look at each part of the system and what functions each serves in the process of digestion.

Functions of the Nervous System

5. Functions of the Nervous System

In this lesson, we'll watch Timmy as he plays in his backyard. Watch what happens when he tries to catch a butterfly, hears a mean dog bark, and scrapes his knee. All of Timmy's reactions are tied to his nervous system. For a full explanation of what goes on in the human nervous system, check out the video!

Respiratory System: Function & Physiology

6. Respiratory System: Function & Physiology

The human respiratory system is a crucial facet of a vital, healthy body. In this lesson, we will explore its function and physiology. At the end of the lesson, you can test your knowledge with a brief quiz.

What Is the Immune System? - Our Body's Defense Against Pathogens

7. What Is the Immune System? - Our Body's Defense Against Pathogens

In this lesson, you will be introduced to the immune system. You'll learn about the innate and adaptive immune system, Edward Jenner, haptens and immune tolerance.

Demographic Changes from Fertility and Birthrates

8. Demographic Changes from Fertility and Birthrates

Demographers focus on specific indicators of change in human populations. Two of the most important indicators are birth and death rates, or fertility and mortality. In this lesson, we will discuss the definitions of demography, fertility and mortality and their impact on a population.

Population Change from Aging, Death, and Migration

9. Population Change from Aging, Death, and Migration

Fertility, mortality and migration are principal determinants of how a population can change, and they are at the very core of demographic studies. In this lesson, we will discuss how a population can change from fertility (birth), mortality (death), and migration.

What Affects Birth & Fertility Rates?

10. What Affects Birth & Fertility Rates?

Did you know that there 4.3 babies are born every second around the world? That's is a lot of babies! However, some countries would like to lower fertility and birth rates while others would like to increase these rates. In this lesson, learn what affects birth and fertility rates around the world.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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